:root{color-scheme:light;--bg: #f4f6fa;--card: #ffffff;--surface: #ffffff;--surface-2: #f8fafc;--bg-soft: #eef1f7;--ink: #232833;--muted: #657080;--line: #e2e7f0;--input-bg: #fbfcfe;--header-bg: rgba(244, 246, 250, .9);--accent: #3d5f96;--accent-strong: #33507f;--accent-soft: #e7edf7;--accent-ink: #2c4a7c;--teal: #27786d;--teal-soft: #e3f3f0;--amber: #8c6221;--amber-soft: #f7efdf;--amber-line: #ecdcb8;--rose: #b5523f;--rose-soft: #f6e6e2;--green: #2f8f82;--green-soft: #e3f3f0;--red: #b5523f;--red-soft: #f6e6e2;--lvl-struggling: #b5523f;--lvl-struggling-soft: #f6e6e2;--lvl-grasping: #c97b3d;--lvl-grasping-soft: #f8ecdf;--lvl-reminders: #c68a2e;--lvl-reminders-soft: #f7efdf;--lvl-independent: #2f8f82;--lvl-independent-soft: #e3f3f0;--lvl-mastering: #3d5f96;--lvl-mastering-soft: #e7edf7;--radius: 14px;--radius-sm: 10px;--radius-xs: 8px;--shadow: 0 1px 3px rgba(20, 30, 50, .06), 0 8px 24px rgba(20, 30, 50, .04);--shadow-sm: 0 1px 2px rgba(20, 30, 50, .05), 0 2px 6px rgba(20, 30, 50, .03);--shadow-lg: 0 2px 6px rgba(20, 30, 50, .06), 0 16px 40px rgba(20, 30, 50, .07);--font: ui-sans-serif, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--content: min(680px, 100% - 2rem)}@media (prefers-color-scheme: dark){:root{color-scheme:dark;--bg: #171b23;--card: #20252f;--surface: #20252f;--surface-2: #262c38;--bg-soft: #262c38;--ink: #e7eaf0;--muted: #949fb0;--line: #333a48;--input-bg: #1c212a;--header-bg: rgba(23, 27, 35, .9);--accent: #8caeeb;--accent-strong: #a3bff2;--accent-soft: #263452;--accent-ink: #b3cbf5;--teal: #6fc7b8;--teal-soft: #1e3a35;--amber: #d8a84f;--amber-soft: #3a2f1d;--amber-line: #4a3c24;--rose: #d9826f;--rose-soft: #3d2621;--green: #6fc7b8;--green-soft: #1e3a35;--red: #d9826f;--red-soft: #3d2621;--lvl-struggling: #d9826f;--lvl-struggling-soft: #3d2621;--lvl-grasping: #dd9a62;--lvl-grasping-soft: #3a2b1d;--lvl-reminders: #d8a84f;--lvl-reminders-soft: #3a2f1d;--lvl-independent: #6fc7b8;--lvl-independent-soft: #1e3a35;--lvl-mastering: #8caeeb;--lvl-mastering-soft: #263452;--shadow: 0 1px 3px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .3);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .35), 0 2px 6px rgba(0, 0, 0, .3);--shadow-lg: 0 2px 6px rgba(0, 0, 0, .4), 0 16px 40px rgba(0, 0, 0, .4)}}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3{font-family:var(--font);font-weight:700;line-height:1.25;letter-spacing:-.01em;margin:0 0 .5em;color:var(--ink)}h1{font-size:clamp(1.5rem,4.5vw,1.9rem)}h2{font-size:1rem}h3{font-size:.95rem}p{margin:0 0 1rem}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font-family:var(--font);cursor:pointer}img{max-width:100%}::selection{background:var(--accent-soft);color:var(--ink)}.wrap{max-width:var(--content);margin:0 auto;padding:1.5rem 0 4rem}.wrap-wide{max-width:min(980px,100% - 2rem);margin:0 auto;padding:1.5rem 0 4rem}.wrap-fill{max-width:900px;margin:0 auto;padding:20px 1rem 4rem}main{animation:fade-up .4s ease both}@keyframes fade-up{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@keyframes fade{0%{opacity:0}to{opacity:1}}@keyframes spin{to{transform:rotate(360deg)}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--font);font-weight:600;font-size:.95rem;line-height:1;padding:.65rem 1rem;min-height:44px;border-radius:var(--radius-sm);border:1px solid transparent;transition:background .15s ease,border-color .15s ease,color .15s ease,transform .08s ease;text-decoration:none}.btn:active{transform:scale(.98)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-strong);text-decoration:none}.btn-outline{background:var(--surface);color:var(--ink);border-color:var(--line)}.btn-outline:hover{background:var(--surface-2);border-color:var(--muted);text-decoration:none}.btn-ghost{background:transparent;color:var(--accent)}.btn-ghost:hover{background:var(--accent-soft);text-decoration:none}.btn-sm{font-size:.8rem;padding:.4rem .75rem;min-height:34px}.btn-block{width:100%}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}:focus-visible{outline:none}.btn:focus-visible,a:focus-visible{box-shadow:0 0 0 3px var(--accent-soft)}.card,.card-section{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.125rem;margin-bottom:1rem}.item-row{display:flex;align-items:center;gap:.6rem;margin-bottom:.6rem}input[type=text],textarea,input[type=date],input[type=password]{width:100%;font-family:var(--font);font-size:.9rem;color:var(--ink);background:var(--input-bg);border:1px solid var(--line);border-radius:var(--radius-sm);padding:.65rem .8rem;transition:border-color .15s ease,box-shadow .15s ease}textarea{min-height:5rem;resize:vertical;line-height:1.55}input[type=date]{min-height:44px}input::placeholder,textarea::placeholder{color:var(--muted)}input:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}label{display:block;font-size:.78rem;font-weight:600;letter-spacing:.4px;text-transform:uppercase;color:var(--muted);margin-bottom:.4rem}.upload-box{margin-top:.6rem;display:flex;flex-wrap:wrap;gap:.6rem;align-items:center}.thumb{position:relative;width:84px;height:84px;border-radius:var(--radius-xs);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm)}.thumb img{width:100%;height:100%;object-fit:cover;display:block}.thumb .x{position:absolute;top:4px;right:4px;width:22px;height:22px;min-height:0;border-radius:50%;background:#0009;color:#fff;border:none;font-size:12px;line-height:1;display:flex;align-items:center;justify-content:center;padding:0}.topbar{position:sticky;top:0;z-index:20;background:var(--header-bg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);padding:.8rem 1.25rem;display:flex;align-items:center;gap:.9rem;flex-wrap:wrap}.topbar .flex{margin-left:auto}.topbar h1{font-size:18px;margin:0;letter-spacing:.2px}.topbar .sub{color:var(--muted);font-size:13px}.brand{font-weight:700;font-size:1.1rem;color:var(--ink);display:inline-flex;align-items:center;gap:.55rem}.brand-emoji{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:9px;flex:0 0 auto;background:var(--accent-soft);font-size:1rem;line-height:1}.role-badge{font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--teal-soft);color:var(--teal);white-space:nowrap}.center{text-align:center}.muted{color:var(--muted)}.small{font-size:.82rem}.space-between{display:flex;align-items:center;justify-content:space-between;gap:.75rem}.flex{display:flex;align-items:center;gap:.5rem}.stack>*+*{margin-top:.75rem}.divider{height:1px;background:var(--line);margin:1.25rem 0}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.save-row{display:flex;align-items:center;justify-content:flex-end;gap:.75rem;flex-wrap:wrap;margin-top:.5rem}.hint{color:var(--muted);font-size:12.5px}.card>.hint{margin:0 0 12px}.card h2{font-size:15px;margin:0 0 4px}.prog{font-size:12px;color:var(--muted);margin-right:auto}.hidden{display:none!important}.hero{text-align:center;padding:2.25rem 0 1.5rem}.hero .big{display:inline-flex;align-items:center;justify-content:center;width:84px;height:84px;font-size:2.6rem;line-height:1;border-radius:22px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);margin-bottom:1rem}.hero-btns{display:flex;flex-direction:column;gap:.75rem;margin-top:1.5rem}@media (min-width: 520px){.hero-btns{flex-direction:row;justify-content:center;gap:.9rem}.hero-btns .btn{min-width:220px}}.lang-toggle-row{display:flex;justify-content:flex-end;padding-top:.5rem}.alert{border-radius:var(--radius-sm);padding:.75rem .95rem;margin-bottom:1rem;font-size:.88rem;font-weight:600}.alert-error{background:var(--red-soft);color:var(--red)}.empty{text-align:center;padding:2.25rem 1rem;color:var(--muted);border:1px dashed var(--line);border-radius:var(--radius)}.spinner{width:26px;height:26px;border:3px solid var(--accent-soft);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;margin:2.5rem auto}.banner{background:var(--amber-soft);border:1px solid var(--amber-line);color:var(--amber);padding:10px 14px;border-radius:10px;font-size:13px;margin-bottom:16px}.lightbox{position:fixed;top:0;right:0;bottom:0;left:0;background:#10141cd6;z-index:100;display:flex;align-items:center;justify-content:center;padding:1rem;animation:fade .2s ease both}.lightbox img{max-width:94vw;max-height:82vh;border-radius:12px;box-shadow:var(--shadow-lg)}.lightbox .close{position:absolute;top:1rem;right:1rem;width:44px;height:44px;min-height:0;border-radius:var(--radius-sm);background:#ffffff29;color:#fff;border:none;font-size:20px}.lightbox .dl{position:absolute;bottom:1.5rem;left:50%;transform:translate(-50%);background:var(--accent);color:#fff;border:none;padding:.7rem 1.4rem;min-height:44px;border-radius:var(--radius-sm);font-weight:600;font-size:.9rem;box-shadow:0 8px 24px #0006}@media (prefers-reduced-motion: reduce){*{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:18px}.tab{padding:8px 14px;border:1px solid var(--line);background:var(--card);border-radius:999px;cursor:pointer;font-size:13px;color:var(--muted)}.tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}@media (max-width: 640px){.grid2{grid-template-columns:1fr}}.grid2>.card{margin:0;box-shadow:none}.imgrow{display:flex;align-items:center;gap:10px;margin-top:8px;flex-wrap:wrap}.imgbtn{font-size:12.5px;padding:7px 11px;border:1px dashed var(--line);border-radius:9px;background:var(--surface);cursor:pointer;color:var(--muted);font-weight:600;display:inline-flex;align-items:center;gap:4px;text-transform:none;letter-spacing:normal;margin-bottom:0}.imgrow .thumb{width:46px;height:46px}.levels{display:flex;gap:6px;flex-wrap:wrap;margin-top:4px}.lvl{padding:6px 12px;border-radius:999px;border:1px solid var(--line);cursor:pointer;font-size:12.5px;background:var(--surface);color:var(--muted)}.lvl.sel{background:var(--accent);color:#fff;border-color:var(--accent)}.lvl.lvl-struggling{background:var(--lvl-struggling-soft);color:var(--lvl-struggling);border-color:var(--lvl-struggling)}.lvl.lvl-struggling.sel{background:var(--lvl-struggling);color:#fff}.lvl.lvl-grasping{background:var(--lvl-grasping-soft);color:var(--lvl-grasping);border-color:var(--lvl-grasping)}.lvl.lvl-grasping.sel{background:var(--lvl-grasping);color:#fff}.lvl.lvl-reminders{background:var(--lvl-reminders-soft);color:var(--lvl-reminders);border-color:var(--lvl-reminders)}.lvl.lvl-reminders.sel{background:var(--lvl-reminders);color:#fff}.lvl.lvl-independent{background:var(--lvl-independent-soft);color:var(--lvl-independent);border-color:var(--lvl-independent)}.lvl.lvl-independent.sel{background:var(--lvl-independent);color:#fff}.lvl.lvl-mastering{background:var(--lvl-mastering-soft);color:var(--lvl-mastering);border-color:var(--lvl-mastering)}.lvl.lvl-mastering.sel{background:var(--lvl-mastering);color:#fff}.objitem{border:1px solid var(--line);border-radius:11px;padding:12px;margin-bottom:8px;background:var(--input-bg)}.objitem .skill{font-size:14px;font-weight:600;margin-bottom:8px}.objitem .levels .lvl{font-size:11.5px;padding:5px 10px}.meta{font-size:12px;color:var(--muted)}.hist-toggle{display:inline-flex;align-items:center;gap:4px;margin-top:8px;padding:4px 10px;min-height:0;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--accent);cursor:pointer;font-size:12px;font-weight:600}.hist-toggle:hover{background:var(--accent-soft);border-color:var(--accent)}.objhist{list-style:none;margin:8px 0 0;padding:0 0 0 4px}.objhist li{font-size:12.5px;color:var(--muted);padding:3px 0}.translate-block{margin-top:4px}.translate-btn{font-size:11.5px;padding:3px 9px;min-height:0;border-radius:999px;border:1px dashed var(--line);background:transparent;color:var(--accent);font-weight:600}.translate-btn:hover{background:var(--accent-soft);border-color:var(--accent)}.vi-text{margin:4px 0 0;padding:6px 9px;background:var(--teal-soft);color:var(--ink);border-left:3px solid var(--teal);border-radius:6px;font-size:13px;white-space:pre-wrap}.vi-error{margin:4px 0 0;padding:6px 9px;background:var(--rose-soft);color:var(--rose);border-radius:6px;font-size:12.5px}.day-block-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.6rem;margin-bottom:.9rem;padding-bottom:.6rem;border-bottom:1px solid var(--line)}.grid-date-day{font-weight:700;font-size:15px;color:var(--ink)}.day-subject-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}.subject-cell{border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px 12px;background:var(--surface-2)}.subject-cell-empty{opacity:.6}.subject-cell-title{font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.4px;color:var(--accent);margin-bottom:6px}.subject-cell-text{margin:0 0 4px;font-size:13px;white-space:pre-wrap;line-height:1.45}.subject-cell-hw{margin:0 0 4px;font-size:12.5px;color:var(--muted);white-space:pre-wrap}.subject-cell-due{margin:0 0 4px;font-size:12px;color:var(--amber);font-weight:600}.grid-dash{color:var(--muted)}.grid-thumbs{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}.grid-thumb{display:block;margin-top:0;padding:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--surface);cursor:pointer;width:60px;height:60px;box-shadow:var(--shadow-sm);flex:0 0 auto}.grid-thumb img{width:100%;height:100%;object-fit:cover;display:block}.grid-thumb:hover{border-color:var(--accent)}.status{font-size:12.5px;padding:4px 10px;border-radius:999px;background:var(--amber-soft);color:var(--amber);font-weight:600;white-space:nowrap}.status.ok{background:var(--accent-soft);color:var(--accent)}.status.err{background:var(--rose-soft);color:var(--rose)}